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Stiffness matrix on matlab

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Barone pierre
Barone pierre 2016-12-13
评论： Barone pierre 2016-12-13
Hello everyone, I attached the geometric stiffness matrix. I should write a matlab function [Ke, Ge, pe] = beam_matrix_vector_2nd_order(xA, xB, param, ue). I had Ke but i don't know how to simplify the matrix Ge. Thanks for help

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KSSV
KSSV 2016-12-13
Hello Barone pierre,
This is a MATLAB forum, you find very little people with FEM knowledge. I suggest you to refer the following book:
The Finite Element Method Using MATLAB, Second Edition Young W. Kwon, Hyochoong Bang
Also you may have look into the following code: http://in.mathworks.com/matlabcentral/fileexchange/30970-natural-frequencies---buckling-loads-of-columns-using-finite-element-method
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Barone pierre
Barone pierre 2016-12-13
I have looked, but i don't understand the geometric matrix, can you explain me ? thanks

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